Carl Beech has been jailed for 18-years Want the best of The Telegraph direct to your email and WhatsApp? Sign up to our free twice-daily Front Page newsletter and new audio briefings. In a statement issued on the day Beech was found guilty of 12 counts of perverting the course of justice and one count of fraud, the IOPC said it had investigated the allegations against the officers but had found no evidence that any of them had deliberately withheld evidence from the warrant applications with the intention of misleading the district judge and would have no case to answer for misconduct. Harvey Proctor, the former Tory MP, who lost his home and job after being falsely accused of three child murders, dismissed the IOPC’s findings as a “whitewash”.Ms Patel met with Mr Lockwood on Thursday and he has promised to provide a full written explanation about the findings. A Home Office source said: “Priti and Martin Lockwood had a constructive meeting. In the meeting the Home Secretary asked for an explanation of the decision of his decision not to charge.”He explained some of that verbally but will follow up and provide a full explanation in writing.” The Home Secretary has demanded a full written explanation from the police watchdog as to why no officers will face disciplinary charges over the botched Operation Midland investigation, the Telegraph can reveal.Priti Patel met with Martin Lockwood, the head of the Independent Office for Police Conduct (IOPC) on Thursday, to discuss the fallout from the Carl Beech investigation, which saw a string of high profile figures falsely accused of child abuse and murder.The pair were said to have had a “constructive meeting”, but the recently appointed Home Secretary, is seeking a full explanation of the IOPC’s findings.During the £4 million investigation, Beech’s claims were described by senior Scotland Yard officers as “credible and true”, and the homes of some of the accused were raided by detectives.Last week, Sir Richard Henriques, the retired High Court judge, who carried out a review of Operation Midland said he believed there were grounds for some officers to be investigated for the criminal offence of perverting the course of justice after they were accused of misleading a district judge when they applied for the search warrants.The IOPC investigated five officers for potential misconduct, but all were cleared and will face no further action.